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Re: NSActionCell, mouse tracking and NSTableView

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Re: NSActionCell, mouse tracking and NSTableView

Subject: Re: NSActionCell, mouse tracking and NSTableView
From: "John C. Randolph" <email@hidden>
Date: Wed, 8 Dec 2004 13:07:48 -0800

On Dec 8, 2004, at 10:44 AM, Mark Alldritt wrote:

I'm trying to create a NSActionCell subclass which implements roll-over
effects for use within NSTableView and NSOutlineView.

Mark, Keep in mind that a cell is not a view: Cells don't get events, unless something else passes an event along to them. Typically, a control will pass events to its cell. If you want your cell to get -mouseEntered: and -mouseExited: events, some view will have to set a tracking rect, and then pass the events to your cell when the view gets them.

-jcr

John C. Randolph <email@hidden> (408) 974-8819
Sr. Cocoa Software Engineer,
Apple Worldwide Developer Relations
http://developer.apple.com/cocoa/index.html


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  >NSActionCell, mouse tracking and NSTableView (From: Mark Alldritt <email@hidden>)




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